re-inforcements in the form of secret service agents.first lady michelle obama is visiting the campusstoday... for a fundraising event.it is ánotá open to the public. actor clint eastwood's speech with an empty chair at the republican national convention insppred a texas homeowner to make a political statement that's caussng a lot of controversy.the man hunggan empty folding chair with an american flag from a tree in his front yard... meant to symbolize president obama.some neighbors complained it was racist.lydia pantazes tracked down the homeowner. homeowner. --reporter pkg-as follows -- (nats)as we walked up to bud johnson's home in north austin he was outside taking down the controversial display that many are calling racist."i would advise you to get the áááá away from here. that is not a request, that's on order."that was the start of our interactton with bud.wee made sure to stay on the street, off his property...but we wanted to know why he had put up the display in the first place.reporter: ("why do you have this chair up?")"have you ever heard of the clint eastwood thing- th